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user8960
  • Member for 11 years, 3 months
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6 votes
Accepted

I don't understand the truth table for logical consequence $(a \rightarrow b)$

4 votes

Is $C^1[a,b]$ separable space?

3 votes
Accepted

Convergence of Complex Sequence

3 votes

A confusion on a Theorem

3 votes
Accepted

Verification Proof of Discontinuity of Sine Function at x=0

3 votes

Let $f : [0,1] \rightarrow \mathbb{R}$ be continuous. Show that there exists $\psi \in [0,1]$ with $f(\psi) = 0$

3 votes
Accepted

Show that a certain group is normal

2 votes

Confused about why these two integrals are equal (Measure Theory)

2 votes

Does the order always matter in a statement with qualifiers?

2 votes
Accepted

Direct sum of two subspaces of a vector space

2 votes
Accepted

Show that the function $g(x)=2-\sin(x)$ is a contraction on the interval $[\frac{\pi}{6},\frac{\pi}{2}].$

2 votes
Accepted

Is this basic understanding of a representation correct?

1 vote

What are the most interesting limit problems you've run into?

1 vote
Accepted

Show that $\int fd\mu=\infty$ for measurable sets $A$ and $0$ whenever $\mu(A) = 0$

1 vote

Construct a sequence that satisfies the following property.

1 vote

$f:[0,2]\to\mathbb{R}$ continuous, then if $\int_0^x |f(t)| \ dt = \int_x^2 |f(t)| \ dt$ then $f(x) = 0$

1 vote

Notation problem for differential of a function

1 vote

This question concerns functions $f:\{A,B,C,D,E\}\rightarrow\{1,2,3,4,5,6,7\}$ (counting)

1 vote

Are there Mathematics exams for university level?

1 vote

Solving $\frac{d^2x}{dt^2} = -x +\frac{A}{x^6}$.

1 vote

Prove that finite unions of compact sets are compact

1 vote

Isometries (reflection matrix) and eigenvectors

1 vote
Accepted

Convergence of a series implies convergence of sequence

0 votes

What is the connection between equivalence relations and groups?

0 votes

Why is this set in the complex plane not connected?

0 votes

How to compute the directional derivative of a vector field?

0 votes

Why is $\det(e^A)$ equal to $\det(e^A)$ = $\prod_{i=1}^n e^{\lambda_i}$

0 votes

Axioms of Probability Question

0 votes

Why is this function not a solution to this ODE?

0 votes

Proving limit implies another limit